diff --git a/src/design/plone/contenttypes/restapi/serializers/unita_organizzativa.py b/src/design/plone/contenttypes/restapi/serializers/unita_organizzativa.py
index d176cc6d..743a92b7 100644
--- a/src/design/plone/contenttypes/restapi/serializers/unita_organizzativa.py
+++ b/src/design/plone/contenttypes/restapi/serializers/unita_organizzativa.py
@@ -140,8 +140,8 @@ def __call__(self, force_images=True, **kwargs):
 
         get_taxonomy_information("tipologia_organizzazione", self.context, data)
 
-        data['image_caption'] = getattr(self.context, "image_caption", None)
-        data['preview_caption'] = getattr(self.context, "preview_caption", None)
+        data["image_caption"] = getattr(self.context, "image_caption", None)
+        data["preview_caption"] = getattr(self.context, "preview_caption", None)
         return data
 
     def getGeolocation(self):